DSPContext dsp;
FFTContext fft;
DECLARE_ALIGNED(16, FFTComplex, samples)[COEFFS/2];
- DECLARE_ALIGNED(16, float, out_samples)[COEFFS];
+ float *out_samples;
} IMCContext;
static VLC huffman_vlc[4][4];
for(i = 0; i < COEFFS; i++)
q->mdct_sine_window[i] *= sqrt(2.0);
for(i = 0; i < COEFFS/2; i++){
- q->post_cos[i] = cos(i / 256.0 * M_PI);
- q->post_sin[i] = sin(i / 256.0 * M_PI);
+ q->post_cos[i] = (1.0f / 32768) * cos(i / 256.0 * M_PI);
+ q->post_sin[i] = (1.0f / 32768) * sin(i / 256.0 * M_PI);
r1 = sin((i * 4.0 + 1.0) / 1024.0 * M_PI);
r2 = cos((i * 4.0 + 1.0) / 1024.0 * M_PI);
ff_fft_init(&q->fft, 7, 1);
dsputil_init(&q->dsp, avctx);
- avctx->sample_fmt = SAMPLE_FMT_S16;
+ avctx->sample_fmt = SAMPLE_FMT_FLT;
avctx->channel_layout = (avctx->channels==2) ? CH_LAYOUT_STEREO : CH_LAYOUT_MONO;
return 0;
}
for(i = 0; i < IMC_BLOCK_SIZE / 2; i++)
buf16[i] = av_bswap16(((const uint16_t*)buf)[i]);
+ q->out_samples = data;
init_get_bits(&q->gb, (const uint8_t*)buf16, IMC_BLOCK_SIZE * 8);
/* Check the frame header */
imc_imdct256(q);
- q->dsp.float_to_int16(data, q->out_samples, COEFFS);
-
- *data_size = COEFFS * sizeof(int16_t);
+ *data_size = COEFFS * sizeof(float);
return IMC_BLOCK_SIZE;
}